JPH0140958Y2 - - Google Patents

Info

Publication number

JPH0140958Y2

JPH0140958Y2 JP1983002141U JP214183U JPH0140958Y2 JP H0140958 Y2 JPH0140958 Y2 JP H0140958Y2 JP 1983002141 U JP1983002141 U JP 1983002141U JP 214183 U JP214183 U JP 214183U JP H0140958 Y2 JPH0140958 Y2 JP H0140958Y2

Authority

JP

Japan

Prior art keywords

gate

insertion hole

drop bar

spring material

wall

Prior art date

1983-01-10

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
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• 238000003780 insertion Methods 0.000 claims description 17
• 230000037431 insertion Effects 0.000 claims description 17
• 239000000463 material Substances 0.000 claims description 16
• 229910052782 aluminium Inorganic materials 0.000 description 3
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
• 238000003825 pressing Methods 0.000 description 3
• 229910001018 Cast iron Inorganic materials 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000002023 wood Substances 0.000 description 1